4357785 Track Bottom Roller

Model:4357785

Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. wholesales HIT4357785 Track Bottom Roller, supporting trial orders and bulk purchase for global excavator parts dealers. This OEM replacement fits Hitachi EX55 mini excavators perfectly. Made of 40Mn2 forged alloy steel with medium-frequency quenching, it delivers HRC52-58 tread hardness and 6-10mm hardened layer for excellent wear & impact resistance. Double floating seal blocks mud and water; 42CrMo spindle cuts friction for 40% longer service life. Full factory QC and ample stock ensure fast global delivery.

Application:
Excavator
Condition:
New
Origin:
China
Type:
Crawler
Color:
Black/Yellow
Transport Package:
Wooden Case

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Product Description

4357785 Track Bottom Roller

HIT4357785 Track Bottom Roller | OEM Replacement for Hitachi EX55 Excavator

Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. is a professional manufacturer and wholesale supplier of the HIT4357785 Track Bottom Roller, a premium OEM-spec undercarriage replacement part precision-engineered for full compatibility with Hitachi EX55 series mini excavators. We cater to global excavator spare parts distributors, repair workshops and construction rental businesses, offering flexible trial orders, bulk procurement, OEM customization and reliable long-term sourcing solutions. Built with strict factory quality control and backed by ample ready stock, our HIT4357785 bottom roller delivers long wear life and stable performance to meet your one-stop purchasing needs for excavator undercarriage parts.

BRAND	CATALOGUE
BULL-DOZER	D20	D30	D31	D37	D40	D41	D45	D50	D60
	D65	D68	D75	D80	D85	D150	D155	D275	D355
	D3C	D3D	D4C	D4D	D4H	D5	D6C	D6D	D6H
	D7G	D8K	D8N	D9N	D10N	D11N
KOMA-TSU	PC30	PC40	PC45	PC60	PC75	PC100	PC120	PC150	PC200
KOMA-TSU	PC220	PC300	PC350	PC400
CATER- PILLAR	E70B	E110	E120B	E215	E235	E307	E311	E312	E322
CATER- PILLAR	E180	E240	E200B	E320	E300	E300B	E330	E325
HI-TACHI	EX30	EX40	EX60	EX100	EX120	EX200	EX220	EX270	EX300
HI-TACHI	EX400	EX600	UH043	UH052	UH53	UH07	UH081	UH082	UH083
FIAT-HITACHI	FH120	FH130	FH150	FH200	FH220	FH270	FH300
VOL-VO	EC55	EC130	EC150	EC200	EC210	EC240	EC290	EC360
DA-EWOO	DH55	DH130	DH180	DH200	DH280	DH300	DH320
HYUN-DAI	R60	R130	R200	R210	R220	R290	R320	R914
KA-TO	HD250	HD400	HD450	HD700	HD770	HD820	HD1250
KO-BELCO	SK40	SK60	SK100	SK120	SK200	SK220	SK04-2	SK07
KO-BELCO	SK07N2	SK09	SK12	SK14	SK300	SK310	SK400
JC-B	JS70	JS75	JS110	JS130	JS160	JS180	JS200	JS220
JC-B	JS240	JS260	JS300	JS330
SU-MITOMO	SH70	SH100	SH120	SH160	SH200	SH260	SH265	SH280	SH300
SU-MITOMO	SH340	LS2650	LS2800	LS3400	LS4300
	MX8	SE200	SE210	SE280	MX292	SE350
MITSUBISHI	MS110	MS120	MS140	MS180

FAQ

1.Are you original manufacture?

Yes, we are an original equipment manufacturer (OEM) and authorized exporter specializing in construction machinery undercarriage parts. We operate our own in-house production facility, with full-process quality control covering every step from raw material forging to final finished product inspection.

2.How can I be sure the part will fit my machinery?

To guarantee 100% compatibility, the most reliable and efficient way is to provide the exact part number (such as HIT4357785) of your component. You may also share your excavator model, machine serial number, or clear photos of the original part with visible identification markings.

If no part number is available, you can send us detailed dimensions or technical drawings, and our technical team will verify the fit for you promptly.

3.What kind terms of payment can be accepted?

We accept standard T/T (Telegraphic Transfer) and irrevocable sight L/C (Letter of Credit). For regular orders, our common practice is 30% deposit upon order confirmation, and 70% balance payment prior to shipment. Flexible payment terms can be further discussed for large-volume long-term cooperation orders.

4.What is your delivery time?

For in-stock standard parts, we can arrange shipment within 1–3 working days. For bulk or custom production orders, the production lead time is 10–15 working days. FOB Xiamen is our default trade term, and we can also accommodate other Chinese ports per your request.

5.What about the warranty time?

We offer a 6–12 month warranty for all our products. Core undercarriage parts including track rollers come with a 12-month warranty against manufacturing defects, while selected consumable wear parts carry a 6-month coverage. The exact warranty term will be confirmed based on the specific items you order.

Whatsapp:+8613655915508

WeChat:+8613799896866

Website:https://excavatortrackparts.com

4357785,Track Bottom Roller,Undercarriage Parts,Construction Machinery Parts,Top Roller Ex55for Excavator

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4357785,Track Bottom Roller,Undercarriage Parts,Construction Machinery Parts,Top Roller Ex55for Excavator

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Contact Info

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Address

Building 4, No. 6 Jinhe Avenue, Binjiang Mechanical Equipment Manufacturing Base, Xiamei Town, Nan'an City, Quanzhou City, Fujian Province, China
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Tel

+86-13799896866
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E-mail

fajx@excavatortrackparts.com

Welcome to send purchase inquiry to this China manufacturer. Our professional sales team will reply quickly, provide customized quotation, and offer one-stop procurement solutions for wholesale and OEM customized orders.